21791098

素因数分解:

$2^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{2141}}^1$

素因数の和:2877

約数の個数: 16

約数和(自身を含む): 37425024

約数和(自身を除く): 15633926

約数列:

[1, 2, 7, 14, 727, 1454, 2141, 4282, 5089, 10178, 14987, 29974, 1556507, 3113014, 10895549, 21791098]

約数ペア:

[(1, 21791098), (2, 10895549), (7, 3113014), (14, 1556507), (727, 29974), (1454, 14987), (2141, 10178), (4282, 5089)]